Society of Photo-optical Instrumentation Engineers (U.S.), DeShazer, J. A., & Meyer, G. E. (1993). Optics in agriculture and forestry: 16-17 November 1992, Boston, Massachusetts. SPIE.
Chicago-referens (17:e uppl.)Society of Photo-optical Instrumentation Engineers (U.S.), James A. DeShazer, och George E. Meyer. Optics in Agriculture and Forestry: 16-17 November 1992, Boston, Massachusetts. Bellingham, Wash.: SPIE, 1993.
MLA-referens (8:e uppl.)Society of Photo-optical Instrumentation Engineers (U.S.), et al. Optics in Agriculture and Forestry: 16-17 November 1992, Boston, Massachusetts. SPIE, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.